<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>登录</title>
</head>
<body>
<h1>登录页面</h1>
<form action="login.do" method="post">
    用户:<input type="text" name="username">
    <br/><br/>
    密码:<input type="password" name="pwd"/>
    <br/><br/>
    <input type="submit" value="登录" />
</form>
<span style="color: red">${tip}</span>
</body>
</html>
